Index: trunk/src_plugins/propedit/propdlg.c
===================================================================
--- trunk/src_plugins/propedit/propdlg.c	(revision 26570)
+++ trunk/src_plugins/propedit/propdlg.c	(revision 26571)
@@ -357,6 +357,7 @@
 {
 	PCB_DAD_DECL(dlg)
 	propdlg_t *ctx = caller_data;
+	const char *key;
 	int wkey, wval, failed;
 	pcb_hid_dad_buttons_t clbtn[] = {{"Cancel", -1}, {"OK", 0}, {NULL, 0}};
 
@@ -374,8 +375,12 @@
 	PCB_DAD_END(dlg);
 	PCB_DAD_AUTORUN("propedit_add", dlg, "Propedit: add new attribute", NULL, failed);
 
-	if (failed == 0) {
-		char *path = pcb_strdup_printf("a/%s", dlg[wkey].default_val.str_value);
+	key = dlg[wkey].default_val.str_value;
+	if (key == NULL) key = "";
+	while(isspace(*key)) key++;
+
+	if ((failed == 0) && (*key != '\0')) {
+		char *path = pcb_strdup_printf("a/%s", key);
 		pcb_propsel_set_str(&ctx->pe, path, dlg[wval].default_val.str_value);
 		free(path);
 		prop_refresh(ctx);